Bowman-Birk Type Trypsin Inhibitor

(All numbering and residues are taken from first PDB file)

Bending Residue Dihedral Analysis

Residue
i
Residue
i+1
Distance of hinge axis to residue i in conformer 1
(A)
Distance of hinge axis to residue i in conformer 2
(A)
Change in psi (i)
(deg)
Change in phi (i+1)
(deg)
Angle of psi(i) axis to hinge axis conformer 1
(deg)
Angle of psi(i) axis to hinge axis conformer 2
(deg)
Percentage Progress
 PRO-61   ILE-62  3.4 3.4 3.1 -19.1 94.4 89.2 -61.5
 ILE-62   CYS-63  1.5 1.0 11.9 -0.3 78.8 81.5 46.4
 CYS-63   ARG-64  3.0 3.3 -4.8 3.2 30.4 28.1 44.3

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Graph shows rotational transition at bending residues and can be used to identify hinge bending residues.
Probably only informative for interdomain rotations greater than 20 degrees